[media] s5p-mfc: Fix NULL pointer warnings

Fixes the following type of warnings detected by sparse:
warning: Using plain integer as NULL pointer.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 8 insertions, 8 deletions

diff --git a/drivers/media/video/s5p-mfc/s5p_mfc_ctrl.c b/drivers/media/video/s5p-mfc/s5p_mfc_ctrl.c
index f2481a85e0a2..08a5cfeaa59e 100644
--- a/drivers/media/video/s5p-mfc/s5p_mfc_ctrl.c
+++ b/drivers/media/video/s5p-mfc/s5p_mfc_ctrl.c
@@ -52,7 +52,7 @@ int s5p_mfc_alloc_and_load_firmware(struct s5p_mfc_dev *dev)
         s5p_mfc_bitproc_buf = vb2_dma_contig_memops.alloc(
                 dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], dev->fw_size);
         if (IS_ERR(s5p_mfc_bitproc_buf)) {
-                s5p_mfc_bitproc_buf = 0;
+                s5p_mfc_bitproc_buf = NULL;
                 mfc_err("Allocating bitprocessor buffer failed\n");
                 release_firmware(fw_blob);
                 return -ENOMEM;
@@ -63,7 +63,7 @@ int s5p_mfc_alloc_and_load_firmware(struct s5p_mfc_dev *dev)
                 mfc_err("The base memory for bank 1 is not aligned to 128KB\n");
                 vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf);
                 s5p_mfc_bitproc_phys = 0;
-                s5p_mfc_bitproc_buf = 0;
+                s5p_mfc_bitproc_buf = NULL;
                 release_firmware(fw_blob);
                 return -EIO;
         }
@@ -72,7 +72,7 @@ int s5p_mfc_alloc_and_load_firmware(struct s5p_mfc_dev *dev)
                 mfc_err("Bitprocessor memory remap failed\n");
                 vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf);
                 s5p_mfc_bitproc_phys = 0;
-                s5p_mfc_bitproc_buf = 0;
+                s5p_mfc_bitproc_buf = NULL;
                 release_firmware(fw_blob);
                 return -EIO;
         }
@@ -82,7 +82,7 @@ int s5p_mfc_alloc_and_load_firmware(struct s5p_mfc_dev *dev)
         if (IS_ERR(b_base)) {
                 vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf);
                 s5p_mfc_bitproc_phys = 0;
-                s5p_mfc_bitproc_buf = 0;
+                s5p_mfc_bitproc_buf = NULL;
                 mfc_err("Allocating bank2 base failed\n");
         release_firmware(fw_blob);
                 return -ENOMEM;
@@ -94,7 +94,7 @@ int s5p_mfc_alloc_and_load_firmware(struct s5p_mfc_dev *dev)
                 mfc_err("The base memory for bank 2 is not aligned to 128KB\n");
                 vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf);
                 s5p_mfc_bitproc_phys = 0;
-                s5p_mfc_bitproc_buf = 0;
+                s5p_mfc_bitproc_buf = NULL;
                 release_firmware(fw_blob);
                 return -EIO;
         }
@@ -126,7 +126,7 @@ int s5p_mfc_reload_firmware(struct s5p_mfc_dev *dev)
                 release_firmware(fw_blob);
                 return -ENOMEM;
         }
-        if (s5p_mfc_bitproc_buf == 0 || s5p_mfc_bitproc_phys == 0) {
+        if (s5p_mfc_bitproc_buf == NULL || s5p_mfc_bitproc_phys == 0) {
                 mfc_err("MFC firmware is not allocated or was not mapped correctly\n");
                 release_firmware(fw_blob);
                 return -EINVAL;
@@ -146,9 +146,9 @@ int s5p_mfc_release_firmware(struct s5p_mfc_dev *dev)
         if (!s5p_mfc_bitproc_buf)
                 return -EINVAL;
         vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf);
-        s5p_mfc_bitproc_virt =  0;
+        s5p_mfc_bitproc_virt = NULL;
         s5p_mfc_bitproc_phys = 0;
-        s5p_mfc_bitproc_buf = 0;
+        s5p_mfc_bitproc_buf = NULL;
         return 0;
 }